FullStory Org Code JS Input Helper

fullstory-org-code-js-input-helper.part.html

<script type="text/javascript">
(function() {
  /*
   * Helper to extract FullStory Org code from URL when used in a HTML input element
   */
  const SCHEME_INDICATOR = '://';
  const URL_PATH_SEPARATOR = '/';
  const FULLSTORY_DOMAIN_INDICATOR = 'app.fullstory.com';

  document.querySelector('#fullstory_org_code').addEventListener('input', function(event) {
      const curInput = event.target;
      const curValue = curInput.value;
      if (curValue.includes(SCHEME_INDICATOR) && curValue.includes(FULLSTORY_DOMAIN_INDICATOR)) {
        const urlParts = curValue.split(URL_PATH_SEPARATOR);
        curInput.value = urlParts.length > 5 ? urlParts[4] : curValue;
      }
  });
})();
</script>